CVE-2021-1789

CVE Published 2021-04-02
Related CWE(s) CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
Related Vendor(s) fedoraproject, webkitgtk, apple
Related Product(s) mac_os_x, webkitgtk, ipados, iphone_os, macos, fedora, watchos, tvos
Exploitation Reported (CISA KEV) 2022-05-04
CVSS 3 Base Score 8.8 (HIGH)
CVSS 3 Attack Complexity LOW
CVSS 3 Attack Vector NETWORK

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

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References